THE BIRDS OF SOUTH-WEST AND PENINSULAR SIAM. 157 



6 ad. Mamok, Pakchan, Peninsular Siam, 28 February 1919 



(No. 4806). 



cf ad., 2 ad. Tapli, Pakchan, Peninsular Siani, 6-8 March 

 1910 (Nos. 4445, 4500). 



3 c^, 1 9. Koh Lak, S. \V. Siam, 2-7 April lOlO (Xos, 4928, 

 4970, 5117, 5187). 



3 o , V 2, 1 unsexed. Hat Sanuk, near Koh Lak, S. W. Siam 

 12-17 April 1919 (Nos. 5262, 5270, 5314, 5343, 5370). 



" Iris red, orbital skin red ; bill green ; feet phiinbeous." 



Total length d, 587, 555, 603, 555, 555, 530, 568,618; 2, 

 468, 591, 503; wing c(, 153, 150, 162, 159, 157. 155, 160, 169; 2, 

 162, 156, 158 ; tail d, 390, 380, 420, 395, 373, 375, 410, 435 ; 2, 290, 

 411, 340; tarsus d, 38, 36, 36, 41, 37, 35, 36, 36; 2, 37, 37, 37 ; bill 

 from gape c(, 39, 41, 41, 38, 40, 37, 37, 38 ; 2, 37, 37, 38, mm. 



Hartert's Rliopodytfis tristis hainanus of Hainan ( Nov. Zool. 

 xvii, 1910, p. 218 ) does not differ in size of wing from Blyth's earlier 

 described but overlooked form from Tenasserim, and unless there 

 exist differential characters hitherto unnoted, that name will have to 

 rank as a synonym of R. t. longicaudatus. 



252. Rhopodytes diardi (Les.s.). 



Melia-) diardi, Lesson, Trait;' d'Oinith., 1831, p. 132 (Sumatra). 

 Rhopodytes diardi, A., p. 1G3 (Merofui to Malewoon) ; D., p. 75 



(Patiini) ; E., p. 103 (Patjini) ; F, p. 42 (Traug) ; L., p. 99 



(Ghirbi). 



253. Rhopodytes sumatranus (Raffles). 



Guculus sumatranus, Raffles, Trans. Linn. Soc. xiii, 1822, p. 287 



(Sumatra). 

 Rhopodytes sumatranus. A., p. 164 (Meigui to Malewoon) ; B.. p. 56 



(Malay Peninsula) ; J., p. 158 (Trang) ; L., p. 29, (Ghirbi) ; 



Salvad., Ann. Mus. Civ. Gen. (2) vii, 1889, p. 433 (Malewoon). 

 Poliococcyx sumatranus, C. ii, p. 123 (S. Tenas.se tim). 



I. Gyldonstolpe, Kungl. Sv. Vet. Akad. Handl. M. Baker, Journ. N. H. Soc. Siam. iii, 1919. 



56. No. -2, 1916. (first part). 



J. Robinson. Journ. F. M. S. Mus. vii, 1917. Baker, Joum. N. H. Soc. Siam. iii. 1919. 



K. Kloss, Ibis, 1918. (second parti. 



L. Robinson and Kloss, .Tourn. X. H. Soc. Siam. M. I. Baker. .Journ. X. n. Soc. Siam, iv, 1920. 



iii. 1919. (third parti. 



VOL. V, NO. 2, 1922. 



